A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6110-01-453-8245
NSN 5965-00-378-3403
NSN 5920-01-539-3233
NSN 5905-00-538-5485
NSN 6610-01-595-9809
NSN 5990-00-804-0678
NSN 6650-01-044-5431
NSN 5930-00-194-0748
NSN 5996-01-207-8030
NSN 2925-00-194-7407
NSN 6145-01-430-2784
NSN 5996-01-509-1536